Tatjana Ratzel
Director/Board Member at MVV ENERGIE AG
Network origin in Tatjana Ratzel first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
University of Mannheim
44
| College/University | Other Consumer Services | 44 |
| Public Company | Electric Utilities | 31 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Tatjana Ratzel via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
Stadtwerke Kiel AG
 Stadtwerke Kiel AG Electric UtilitiesUtilities Stadtwerke Kiel AG distributes gas, electricity and water and provides district heating services in the province of Schleswig-Holstein in Germany. Its operations include the generation of electricity from coal, gas, oil and renewables as well as the sale of electricity and gas. The company is headquartered in Kiel, Germany. | Electric Utilities | Chairman Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Energieversorgung Offenbach AG
 Energieversorgung Offenbach AG Alternative Power GenerationUtilities Energieversorgung Offenbach AG provides energy supply and service packages that encompass wind power, biomass and district heating networks. They are also engaged in energy business investments and renewable energy development. The company was founded in 1847 and is based in Offenbach, Germany. | Alternative Power Generation | Chairman Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
MVV Trading GmbH
 MVV Trading GmbH Electric UtilitiesUtilities MVV Trading GmbH trades electricity and natural gas. The company is based in Mannheim, Germany and ultimately controlled by the City of Mannheim. The CEO of the German company is Thies Langmaack. | Electric Utilities | Director/Board Member Director/Board Member Chairman Director/Board Member Director/Board Member | |
MVV Enamic GmbH
 MVV Enamic GmbH Electric UtilitiesUtilities MVV Enamic GmbH supplies energy and utility services to industrial companies and industry parks. It offers transparent procurement of electricity and gas as well as sustainable energy generation, energy data management, billing services and contracting solutions. The firm also provides smart metering, e-mobility, and LED services. The company is headquartered in Mannheim, Germany. | Electric Utilities | Director/Board Member Director/Board Member Corporate Officer/Principal Chairman Director/Board Member | |
juwi AG
 juwi AG Alternative Power GenerationUtilities juwi AG offers renewable energy solutions. The firm’s services include project development, general contractor/EPC, management/maintenance, project rights purchase and repowering. The company was founded by Matthias Willenbacher and Fred Jung on December 4, 1996 and is headquartered in Worrstadt, Germany. | Alternative Power Generation | Chairman Director/Board Member Director/Board Member Director/Board Member | |
MVV Umwelt GmbH
 MVV Umwelt GmbH Environmental ServicesIndustrial Services MVV Umwelt GmbH provides sustainable and innovative solutions for electricity, heat, gas, and water, as well as services. The company is based in Mannheim, Germany. The German company is a subsidiary of MVV Energie AG and ultimately controlled by the City of Mannheim. The CEOs of the company are Martin Becker-Rethmann, Joachim Manns. | Environmental Services | Director/Board Member Director/Board Member Chairman Director/Board Member | |
Soluvia GmbH
 Soluvia GmbH Major TelecommunicationsCommunications Soluvia GmbH provides wired telecommunications services. The private company is based in Mannheim, Germany. The CEOs are Gerald Hornfeck, Dietmar Sperfeld. The German company was founded in 2007. | Major Telecommunications | Chairman Director/Board Member Chairman Director/Board Member | |
MVV RHE GmbH
 MVV RHE GmbH Electric UtilitiesUtilities MVV RHE GmbH engages in the supply and distribution of electrical energy, heat, gas, and water. It also engages in the management of waste, as well as planning, construction, and operation of telecommunications equipment. The company was founded on December 19, 2008 and is headquartered in Mannheim, Germany. | Electric Utilities | Chief Executive Officer Chief Executive Officer Chief Executive Officer | |
MVV Netze GmbH
 MVV Netze GmbH Electric UtilitiesUtilities MVV Netze GmbH engages in the lease, management, operation and maintenance of electricity, gas supply, district heating, water supply and telecommunications networks. The company is headquartered in Mannheim, Germany. | Electric Utilities | Director/Board Member Chairman Director/Board Member | |
| MVV Insurance Services GmbH | Chairman Director/Board Member Director/Board Member | ||
| Stadtmarketing Mannheim GmbH | Director/Board Member Director/Board Member Director/Board Member | ||
| Technische Universität Darmstadt | College/University | Undergraduate Degree Doctorate Degree Corporate Officer/Principal | |
Soluvia Energy Services GmbH
 Soluvia Energy Services GmbH Data Processing ServicesTechnology Services Soluvia Energy Services GmbH provides solutions in the field of energy data management, measuring point operation, IMS, customer support, and billing. The private company is based in Offenbach, Germany. The German company's portfolio includes a range of services aimed at optimizing energy usage and improving efficiency. The CEOs of the company are Dietmar Sperfeld and Gerald Hornfeck. | Data Processing Services | Director/Board Member Director/Board Member Director/Board Member | |
Soluvia IT-Services GmbH
 Soluvia IT-Services GmbH Information Technology ServicesTechnology Services Soluvia IT-Services GmbH provides shared-services in metering, billing, and information technology. The company is based in Kiel, Germany. The German company is a subsidiary of MVV Energie Gruppe and ultimately controlled by the City of Mannheim. The CEOs of the company are Klaus Kunath, Özen Öner. | Information Technology Services | Director/Board Member Director/Board Member Director/Board Member | |
Blanc & Fischer Familienholding GmbH
 Blanc & Fischer Familienholding GmbH Industrial MachineryProducer Manufacturing Blanc & Fischer Familienholding GmbH engages in the manufacture of domestic appliance technologies, components, and products. It offers thick film technology, radiant heating elements, hotplates, tubular heating elements, appliance controls, user interfaces, code switches, thermostats, and energy regulators. The company was founded by Karl Fischer and Heinrich Blanc on September 10, 1931 and is headquartered in Oberderdingen, Germany. | Industrial Machinery | Director/Board Member Chief Executive Officer | |
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA. | College/University | Graduate Degree Graduate Degree | |
| TAG IMMOBILIEN AG | Real Estate Development | Chief Executive Officer Director of Finance/CFO | |
Telekom Deutschland GmbH
 Telekom Deutschland GmbH Major TelecommunicationsCommunications Telekom Deutschland GmbH provides mobile communication services. It offers fixed network telephony, broadband Internet, mobile voice and data, and IPTV products and services. The firm's technologies for mobile data transmission include GPRS, EDGE, W-LAN, UMTS, and HSDPA. The company was founded in 1993 and is headquartered in Bonn, Germany. | Major Telecommunications | Director/Board Member Corporate Officer/Principal | |
Hevella Capital GmbH & Co. KGaA
 Hevella Capital GmbH & Co. KGaA Miscellaneous Commercial ServicesCommercial Services Hevella Capital GmbH & Co. KGaA engages in the management of its own assets through acquisition, administration, and sale of real estate and investments. The company was founded on November 4, 2014 and is headquartered in Potsdam, Germany. | Miscellaneous Commercial Services | Chief Executive Officer Chairman | |
| University of Pforzheim | College/University | Corporate Officer/Principal Graduate Degree | |
Vereinte Dienstleistungsgewerkschaft
 Vereinte Dienstleistungsgewerkschaft Miscellaneous Commercial ServicesCommercial Services Vereinte Dienstleistungsgewerkschaft is a trade union based in Germany. The German company provides information on current issues in society, business, politics, culture, and trade union issues through its publication, Ver.di Publik, which appears eight times a year. Ver.di is an expert in good work, fair wages, work-life balance, equal rights, and more. The company takes the time to answer questions and discuss topics in online meetings with its members. Ver.di positions itself with resolutions, declarations, and statements on legislative initiatives and much more. Ver.di TV provides surveys, backgrounds, portraits, reports, and more on the world of work and society. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal | |
GBG Unternehmensgruppe GmbH
 GBG Unternehmensgruppe GmbH Real Estate DevelopmentFinance GBG - Mannheimer Wohnungsbaugesellschaft mbH is the largest municipal housing association in Mannheim, DE. The German company aims to provide fair living and sustainable urban development. The company offers a tenant app that provides an overview of additional costs and documents. GBG has customer service centers in five locations in Mannheim, Germany, which serve as the first point of contact for tenant concerns and questions. GBG is ultimately controlled by the City of Mannheim. The company was founded in 1926, and the CEO is Karl-Heinz Frings. | Real Estate Development | Chairman Director/Board Member | |
| Ruprecht-Karls-Universität Heidelberg | College/University | Graduate Degree Graduate Degree | |
| University of Regensburg | College/University | Graduate Degree Corporate Officer/Principal | |
Universitätsklinikum Mannheim GmbH
 Universitätsklinikum Mannheim GmbH Hospital/Nursing ManagementHealth Services Universitätsklinikum Mannheim GmbH provides health care services. The company was founded in 1998 and is headquartered in Mannheim, Germany. | Hospital/Nursing Management | Director/Board Member Director/Board Member | |
| TAG COLONIA-IMMOBILIEN AG | Real Estate Development | Chief Executive Officer Director of Finance/CFO | |
mg: mannheimer gründungszentren GmbH
 mg: mannheimer gründungszentren GmbH Miscellaneous Commercial ServicesCommercial Services mg: mannheimer gründungszentren GmbH provides a business development platform for start-up companies. The company is based in Mannheim, Germany. Christian Sommer has been the CEO of the German company since 2003. | Miscellaneous Commercial Services | Director/Board Member Director/Board Member | |
Rhein-Neckar-Verkehr GmbH
 Rhein-Neckar-Verkehr GmbH RailroadsTransportation Rhein Neckar Verkehr GmbH provides public transport services in the Rhine-Neckar metropolitan region. It operates the suburban railway, tram and bus routes in Mannheim, Heidelberg and Ludwigshafen. The company is headquartered in Mannheim, Germany. | Railroads | Chairman Chairman | |
Bau-Verein zu Hamburg Immobilien GmbH
 Bau-Verein zu Hamburg Immobilien GmbH Real Estate DevelopmentFinance Bau-Verein zu Hamburg Immobilien GmbH provides property management services. It engages in the provision of real estate development, management and financial services. The firm offers project development, property management and consulting services for third parties, including the marketing of tax-privileged capital investment opportunities in the property sector. The company was founded in 1892 and is headquartered in Hamburg, Germany. | Real Estate Development | President Director of Finance/CFO | |
| 1801 Deutsche Leibrenten AG | Chairman Director/Board Member | ||
| DEUTSCHE KONSUM REIT-AG | Real Estate Investment Trusts | Director/Board Member Director/Board Member | |
MVV GmbH
 MVV GmbH Alternative Power GenerationUtilities MVV GmbH is a German company that is involved in the production, transportation, and distribution of electricity. The company is based in Mannheim, Germany. The company is ultimately controlled by the City of Mannheim. | Alternative Power Generation | Chairman Chairman | |
Enetiqa as
 Enetiqa as Electric UtilitiesUtilities Enetiqa AS distributes electricity. The company is based in Prague, Czechia and has subsidiaries in Czechia. The Czech company was founded in 1993. Jörg Lüdorf has been the CEO of the company since 2018. | Electric Utilities | Director/Board Member Chairman | |
| COMMERZBANK AG | Regional Banks | Corporate Officer/Principal Director/Board Member | |
| SIEMENS AG | Industrial Machinery | Corporate Officer/Principal Corporate Officer/Principal | |
Grosskraftwerk Mannheim AG
 Grosskraftwerk Mannheim AG Electric UtilitiesUtilities Grosskraftwerk Mannheim AG produces and distributes coal energy. The firm provides power for households, businesses and industry. It also produces steam for neighboring industrial companies and heating water for the district heating network of the Rhine-Neckar metropolitan region. The company was founded on November 8, 1921 and is headquartered in Mannheim, Germany. | Electric Utilities | Director/Board Member Chairman | |
| NEXR TECHNOLOGIES SE | Computer Peripherals | Chairman Director/Board Member | |
| Freie Universität Berlin | College/University | Masters Business Admin Undergraduate Degree | |
Deutsche Leibrenten Grundbesitz AG
 Deutsche Leibrenten Grundbesitz AG Real Estate DevelopmentFinance Deutsche Leibrenten Grundbesitz AG offers property pension plans. In the process, clients of retirement age sell their own real estate properties to the firm and, in return, secure a monthly payment and a life-long right of residence. It also holds a large number of properties in its portfolio. The company is headquartered in Frankfurt, Germany. | Real Estate Development | Chairman Director/Board Member | |
| CREDITSHELF AG | Finance/Rental/Leasing | Chairman Director/Board Member | |
Fuchs Lubrificanti SpA
 Fuchs Lubrificanti SpA Industrial SpecialtiesProcess Industries Fuchs Lubrificanti SpA engages in the development, production, and and marketing of lubricants. Its offers automotive lubricants, industrial lubricants, lubricating greases, metal processing lubricants and special application lubricants. The company is headquartered in Buttigliera d''Asti, Italy. | Industrial Specialties | Director/Board Member Chairman | |
EnBW Vertrieb GmbH
 EnBW Vertrieb GmbH Electric UtilitiesUtilities Part of EnBW Energie Baden Württemberg AG, EnBW Vertrieb GmbH supplies electricity and water. The company is based in Stuttgart, Germany. | Electric Utilities | Director/Board Member Corporate Officer/Principal | |
Fuchs Lubricants (UK) Plc
 Fuchs Lubricants (UK) Plc Industrial SpecialtiesProcess Industries Fuchs Lubricants (UK) Plc manufactures and supplies lubricants. It offers automotive lubricants, industrial lubricants, lubricating greases, metal processing lubricants, and special application lubricants. The company was founded by Rudolf Fuchs in 1931 and is headquartered in Stoke On Trent, the United Kingdom. | Industrial Specialties | Chief Executive Officer Director/Board Member | |
| Bankhaus Obotritia GmbH | Director/Board Member Corporate Officer/Principal | ||
Fuchs Lubrifiant France SA
 Fuchs Lubrifiant France SA Industrial SpecialtiesProcess Industries Fuchs Lubrifiant France SA produces and distributes lubricants and related products. It provides lubrication, degreasing, machining, heat treatment, anti corrosion, and cutting-stamping. The company was founded in 1940 and is headquartered in Nanterre, France. | Industrial Specialties | Director/Board Member Chief Executive Officer | |
Tag Potsdam-Immobilien GmbH
 Tag Potsdam-Immobilien GmbH Real Estate DevelopmentFinance Part of TAG Immobilien AG, TAG Potsdam-Immobilien GmbH is a German company that provides commercial and residential real estate management consulting services. The company is based in Hamburg, Germany. The CEOs of the company are Claudia Hoyer, Harboe Vaagt, Martin Thiel. TAG Potsdam-Immobilien was acquired by TAG Immobilien AG from BayernLB Holding AG on April 02, 2012 for $214.78 million. | Real Estate Development | President Director of Finance/CFO | |
| RWE AG | Electric Utilities | General Counsel Corporate Officer/Principal | |
| FUCHS SE | Industrial Specialties | Chief Executive Officer Corporate Officer/Principal | |
| MEDINAVI AG | Miscellaneous | Chief Executive Officer |
Statistics
International
| Germany | 46 |
| United States | 2 |
| Czech Republic | 2 |
| Italy | 2 |
| United Kingdom | 2 |
Sectoral
| Utilities | 13 |
| Finance | 11 |
| Consumer Services | 7 |
| Process Industries | 5 |
| Commercial Services | 4 |
Operational
| Director/Board Member | 272 |
| Corporate Officer/Principal | 105 |
| Chairman | 98 |
| Chief Executive Officer | 89 |
| Undergraduate Degree | 49 |
Most connected contacts
| Insiders | |
|---|---|
| Rolf Elgeti | 69 |
| Lorenz Näger | 33 |
| Martin Friedrich Herrmann | 29 |
| Johannes Haupt | 26 |
| Georg Müller | 23 |
| Ralf Klöpfer | 20 |
| Burkhard Schäfer | 18 |
| Thomas Kusterer | 18 |
| Stefan Seipl | 16 |
| Steffen Pauls | 16 |
| Peter Kurz | 15 |
| Ralph Rheinboldt | 14 |
| Hansjörg Roll | 14 |
| Christian Specht | 13 |
| Carsten Dentler | 13 |
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